Home / 19,293,519.76-28,918,264.74-7,771,613.70

Finding the Fourth Proportional to 19,293,519.76, 28,918,264.74 and 7,771,613.70

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Solution

The fourth proportional to 19,293,519.76, 28,918,264.74 and 7,771,613.70 is: 11,648,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293,519.76 : 28,918,264.74 = 7,771,613.70 : x
  2. Step 2: Convert to fraction form
    19,293,519.76/28,918,264.74 = 7,771,613.70/x
  3. Step 3: Cross multiply
    19,293,519.76x = 28,918,264.74 × 7,771,613.70
  4. Step 4: Simplify right side
    19,293,519.76x = 224,741,582,467,048.53
  5. Step 5: Solve for x
    x = 224,741,582,467,048.53/19,293,519.76
  6. Step 6: Final answer
    x = 11,648,552.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.